Page 6 - SAL_NewsBreeze_2017_1_interactive

RENEWABLES 6

November 2016 – August 2017 | Germany / Denmark / UK – Northern Ireland

V Svenja is currently playing a fundamental role in the Philip Stackmann, Project Manager, and Sebastian Wenzel, Pro-
extension of the Walney Offshore Windfarm, located in ject Engineer, give us some insight into the project.
Mthe North West of England. At the moment, the vessel is
transporting a total of 87 colossal Monopiles (MPs) from Rostock Philip: “At the start of the project, we faced an exciting puzzle.
to Belfast. In addition 87 Transition Pieces (TPs) will be carried by We have a great variety of MPs with different diameters (vary-
MV Svenja from Tees and Aalborg to the project harbor. With a ing at the respective conical and cylindrical parts), lengths and
height of up to 30 metres, a diameter of up to seven metres and weights.”
a single weight of up to 579 tons, the TPs are amongst the larg-
est ones ever built. It is an enormous job keeping our MV Svenja Sebastian: “The Walney TPs are amongst the heaviest and
busy until summer. tallest ever built. But we already proved our expertise in lifting
The long-term project is characterized by several challenges. and securing TPs within the Veja Mate project.
Two different types of cargo. Each requiring its own mobilization The real challenge is the handling and securing of the MPs.
setting on board. To be shipped alternately. A tight schedule from These are optimized for their final purpose being an offshore
customer side demanding flawless workflows for a pinpointed foundation for wind turbines. Their highest stability is in an
delivery. Three different loading ports. Limited possibilities at the upright position. To lift and ship them in a horizontal position
Port of Rostock with only ten metres space forward and aft of the is not what they are made for. The diameter to wall thickness
moored vessel. A sensitive cargo even if its appearance seem to ratio is so high that there is the risk of squeezing or deforming
tell the opposite. the piles during lifting and on the sea passage.”

FACTS

Client Van Oord, DONG Energy
Vessel MV Svenja, Type 183
(2 × 1000 t cranes)
Cargo 87 Transition Pieces,
87 Monopiles
Weight up to 1100 t (MPs)
Dimensions up to 8.4 × 72.6 m (MPs)
Total volume 108,674 cbm

POL Rostock, Germany
Teesport, UK
Aalborg, DK
POD Belfast, UK
Period November 2016 –
August 2017

Specials Two different cargoes
alternating in one voyage,
vessel mobilized twice